MESON Chess Problem Database

Problem Display
PID: 207029 (6B1/8/8/2q2kb1/3n4/2B3K1/Q7/8 w - - 0 1)

Godeck, M

Handbuch der Schachaufgaben (Lange), 1862

6B1/8/8/2q2kb1/3n4/2B3K1/Q7/8

#2

4 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe6#
    • 1...Sc2
      • 2.Bh7#
      • 2.Qe6#
      • 2.Qxc2#
    • 1...Sb3
      • 2.Qb1#
      • 2.Qc2#
    • 1...Sf3
      • 2.Bh7#
      • 2.Qb1#
      • 2.Qe6#
      • 2.Qc2#
    • 1...Sb5
      • 2.Bh7#
      • 2.Qb1#
      • 2.Qe6#
      • 2.Qc2#
    • 1...Sc6
      • 2.Bh7#
      • 2.Qb1#
      • 2.Qe6#
      • 2.Qc2#
    • 1...Se6
      • 2.Bh7#
      • 2.Qb1#
      • 2.Qxe6#
      • 2.Qc2#
  • Keys
    • 1.Qe6+!
      • 1...Sxe6
        • 2.Bh7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT,P_SPINS(a)::QAR1(A)
  • Actual
    • Q(A);CHECK
    • Vars
      • S(a);SBLOCK,XQ(A)::B(D)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).